Plasticfilm Covered Structure

Naturally Ventilated Polyhouse

NVPH stands for Naturally Ventilated Poly House, which is a greenhouse that uses natural ventilation to grow crops. NVPHs are a type of controlled environment agriculture that can be used to grow a variety of crops year-round.

Saw-Tooth Naturally Ventilated Poly House

A Saw Tooth Naturally Ventilated Polyhouse (NVPH) is a specialized greenhouse structure designed with a roof configuration resembling the shape of saw teeth.

Butterfly Vent Naturally Ventilated Poly House

A Butterfly Vents Naturally Ventilated Polyhouse is a greenhouse structure equipped with adjustable vents that resemble butterfly wings. These vents are strategically placed on the roof or sides and can open and close as needed to regulate airflow, temperature, and humidity.

Modern double ventilation polyhouse structure designed for natural climate control in Indian agriculture by JH Agriinfra.

Double Vent Naturally Ventilated Poly House

A double-vent naturally ventilated polyhouse is a type of greenhouse structure designed with two ventilation systems, typically located on the sides and at the roof, to facilitate natural air circulation. These vents use the principles of wind and thermal buoyancy to regulate temperature, humidity, and airflow within the polyhouse.

Alt text Fan-Pad Cooling System in a modern polyhouse setup by JH Agriinfra with cooling pads and exhaust fans for climate control.

Fan-Pad Cooling System Poly House

A fan-pad polyhouse is a controlled-environment greenhouse that uses an evaporative cooling system comprising exhaust fans and wet pads. The fans draw warm air out of the polyhouse, while the wet pads cool incoming air, creating a controlled temperature and humidity level ideal for crop growth.

Dome Shaped Poly Shade Net House

A dome-shaped poly shade net house is a protected cultivation structure designed with a dome or semi-circular roof, covered by a combination of shade net and polyethylene material.